<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>back-manage</title>
  </head>
  <body>
    <div id="app"></div>
  </body>
  <script>
        // var boddy = document.getElementsByTagName("body")[0];
        // boddy.addEventListener("click",function (e) {
        //     if(e.target.className.indexOf("tttt")){
        //         location.href="./yr/index.html"
        //     }
        // })
  </script>
</html>
